Headlamp



FIG. 1 is a perspective view of a headlamp according to my new design;

FIG. 2 is a top elevation view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a back elevation view thereof.

The dash-dash broken lines showing in the views illustrate portions of the headlamp that form no part of the claimed design. 

CLAIM The ornamental design for a headlamp, as shown and described. 